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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-1263) Only cache guideposts on physical PTable
Date Tue, 30 Sep 2014 07:11:36 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-1263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14152887#comment-14152887
] 

ramkrishna.s.vasudevan commented on PHOENIX-1263:
-------------------------------------------------

{code}
INFO] Reactor Summary:
[INFO]
[INFO] Apache Phoenix .................................... SUCCESS [1.541s]
[INFO] Phoenix Hadoop Compatibility ...................... SUCCESS [2.279s]
[INFO] Phoenix Hadoop2 Compatibility ..................... SUCCESS [2.200s]
[INFO] Phoenix Core ...................................... SUCCESS [16:51.552s]
[INFO] Phoenix - Flume ................................... SUCCESS [59.900s]
[INFO] Phoenix - Pig ..................................... SUCCESS [2:19.739s]
[INFO] Phoenix Assembly .................................. SUCCESS [25.681s]
[INFO] --------------------------------------------------------------------
{code}
All tests pass.

> Only cache guideposts on physical PTable
> ----------------------------------------
>
>                 Key: PHOENIX-1263
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1263
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: James Taylor
>            Assignee: ramkrishna.s.vasudevan
>         Attachments: Phoenix-1263_1.patch, Phoenix-1263_6.patch
>
>
> Rather than caching the guideposts on all tenant-specific tables, we should cache them
only on the physical table. On the client side, we should also update the cache with the latest
for the base multi-tenant table when we update the cache for a tenant-specific table. Then
when we lookup the guideposts, we should ensure that we're getting them from the physical
table.
> Otherwise, it'll be difficult to keep the guideposts cached on the PTable in sync across
all tenant-specific tables (not to mention using quite a bit of memory).



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